scripts/gcc-plugins/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
   3
   4 ifeq ($(PLUGINCC),$(HOSTCC))
   5   HOSTLIBS := hostlibs
   6   HOST_EXTRACFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu99 -ggdb
   7   export HOST_EXTRACFLAGS
   8 else
   9   HOSTLIBS := hostcxxlibs
  10   HOST_EXTRACXXFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti
  11   HOST_EXTRACXXFLAGS += -fno-exceptions -fasynchronous-unwind-tables -ggdb
  12   HOST_EXTRACXXFLAGS += -Wno-narrowing -Wno-unused-variable
  13   export HOST_EXTRACXXFLAGS
  14 endif
  15
  16 ifneq ($(CFLAGS_KCOV), $(SANCOV_PLUGIN))
  17   GCC_PLUGIN := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGIN))
  18 endif
  19
  20 export HOSTLIBS
  21
  22 $(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h
  23 quiet_cmd_create_randomize_layout_seed = GENSEED $@
  24 cmd_create_randomize_layout_seed = \
  25   $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h
  26 $(objtree)/$(obj)/randomize_layout_seed.h: FORCE
  27         $(call if_changed,create_randomize_layout_seed)
  28 targets = randomize_layout_seed.h randomize_layout_hash.h
  29
  30 $(HOSTLIBS)-y := $(foreach p,$(GCC_PLUGIN),$(if $(findstring /,$(p)),,$(p)))
  31 always := $($(HOSTLIBS)-y)
  32
  33 $(foreach p,$($(HOSTLIBS)-y:%.so=%),$(eval $(p)-objs := $(p).o))
  34
  35 subdir-y := $(GCC_PLUGIN_SUBDIR)
  36 subdir-  += $(GCC_PLUGIN_SUBDIR)
  37
  38 clean-files += *.so